(***********************************************************************)
(*                                                                     *)
(*                           Objective Caml                            *)
(*                                                                     *)
(*            Jun Furuse, projet Cristal, INRIA Rocquencourt           *)
(*                                                                     *)
(*  Copyright 1999-2004,                                               *)
(*  Institut National de Recherche en Informatique et en Automatique.  *)
(*  Distributed only by permission.                                    *)
(*                                                                     *)
(***********************************************************************)

(* $Id: oImages.mli,v 1.2 2004/09/08 13:53:09 weis Exp $ *)

(** Class interface for Images *)

open Images;;
open Color;;

exception Non_supported_method;;
exception Wrong_image_class;;

type image_class = 
    ClassRgb24 
  | ClassIndex8 
  | ClassIndex16
  | ClassRgba32
  | ClassCmyk32;;

class type imgsize = object
  method width : int
  method height : int
end;;

class type ['a] map = object
  inherit imgsize

  method unsafe_get : int -> int -> 'a
  method unsafe_set : int -> int -> 'a -> unit
  method get : int -> int -> 'a
  method set : int -> int -> 'a -> unit
  method unsafe_access : int -> int -> string * int
end;;

class type oimage = object
  inherit imgsize

  method infos : info list
  method set_infos : info list -> unit

  method image_class : image_class
  method image : Images.t

  method destroy : unit
  method dump : string
      
  method save : string -> format option -> save_option list -> unit

  method coerce : oimage
end;;

class type rgba32_class = object
  inherit oimage
  inherit [Color.rgba] map

  method sub : int -> int -> int -> int -> rgba32_class
  method blit : int -> int -> rgba32_class -> int -> int -> int -> int -> unit
  method resize : (float -> unit) option -> int -> int -> rgba32_class
end;;

class rgba32_wrapper : Rgba32.t -> rgba32_class;;

class rgba32 : int -> int -> rgba32_class;;
class rgba32_filled : int -> int -> Color.rgba -> rgba32_class;;
class rgba32_with : int -> int -> Info.info list -> string -> rgba32_class;;

class type rgb24_class = object
  inherit oimage
  inherit [Color.rgb] map

  method sub : int -> int -> int -> int -> rgb24_class
  method blit : int -> int -> rgb24_class -> int -> int -> int -> int -> unit
  method resize : (float -> unit) option -> int -> int -> rgb24_class
  method to_rgba32 : rgba32_class
end;;

class rgb24_wrapper : Rgb24.t -> rgb24_class;;

class rgb24 : int -> int -> rgb24_class;;
class rgb24_filled : int -> int -> Color.rgb -> rgb24_class;;
class rgb24_with : int -> int -> Info.info list -> string -> rgb24_class;;

class type index8_class = object
  inherit oimage
  inherit [Index8.elt] map
  inherit OColor.rgbmap

  method sub : int -> int -> int -> int -> index8_class
  method blit : int -> int -> index8_class -> int -> int -> int -> int -> unit
  method get_color : int -> int -> Color.rgb
  method unsafe_get_color : int -> int -> Color.rgb
  method transparent : Index8.elt
  method set_transparent : Index8.elt -> unit
  method to_rgb24 : rgb24_class
  method to_rgba32 : rgba32_class
end;;

class index8_wrapper : Index8.t -> index8_class;;

class index8 : int -> int -> index8_class;;
class index8_filled : int -> int -> int -> index8_class;;
class index8_with : int -> int -> Info.info list -> 
  Color.rgb Color.map -> int -> string -> index8_class;;

class type index16_class = object
  inherit oimage
  inherit [Index16.elt] map
  inherit OColor.rgbmap

  method sub : int -> int -> int -> int -> index16_class
  method blit : int -> int -> index16_class -> int -> int -> int -> int -> unit
  method get_color : int -> int -> Color.rgb
  method unsafe_get_color : int -> int -> Color.rgb
  method transparent : Index16.elt
  method set_transparent : Index16.elt -> unit
  method to_rgb24 : rgb24_class
  method to_rgba32 : rgba32_class
end;;

class index16_wrapper : Index16.t -> index16_class;;

class index16 : int -> int -> index16_class;;
class index16_filled : int -> int -> int -> index16_class;;
class index16_with : int -> int -> Info.info list -> 
  Color.rgb Color.map -> int -> string -> index16_class;;

class type cmyk32_class = object
  inherit oimage
  inherit [Color.cmyk] map

  method sub : int -> int -> int -> int -> cmyk32_class
  method blit : int -> int -> cmyk32_class -> int -> int -> int -> int -> unit
  method resize : (float -> unit) option -> int -> int -> cmyk32_class
end;;

class cmyk32_wrapper : Cmyk32.t -> cmyk32_class;;

class cmyk32 : int -> int -> cmyk32_class;;
class cmyk32_filled : int -> int -> Color.cmyk -> cmyk32_class;;
class cmyk32_with : int -> int -> Info.info list -> string -> cmyk32_class;;

val rgb24 : oimage -> rgb24_class;;
val index8 : oimage -> index8_class;;
val index16 : oimage -> index16_class;;
val rgba32 : oimage -> rgba32_class;;
val cmyk32 : oimage -> cmyk32_class;;

type tagged = 
    Rgb24 of rgb24_class
  | Index8 of index8_class
  | Index16 of index16_class
  | Rgba32 of rgba32_class
  | Cmyk32 of cmyk32_class;;

val tag : oimage -> tagged;;
val make : Images.t -> oimage;;
val load : string -> Images.load_option list -> oimage;;
val sub : oimage -> int -> int -> int -> int -> oimage;;
